/*
 * @Description: 
 * @Author: 刘翼
 * @Date: 2019-06-01 11:40:29
 * @LastEditTime: 2019-06-02 13:01:36
 * @LastEditors: 刘庆华
 */

/* reset css */

* {
    margin: 0;
    padding: 0;
}

body {
    font-size: 14px;
    font-family: sans-serif;
}

ul {
    list-style: none;
}

a {
    color: #333;
    text-decoration: none;
}

/* model css */

.qq_nav {
    background: url('../images/nav_bg.png') repeat-x;
    height: 100px;
    position: absolute;
    width: 100%;
}

.wrapper {
    width: 1000px;
    height: 100px;
    margin: 0 auto;
}

.qq_nav .logo {
    height: 100px;
    width: 100px;
    float: left;
    background: url('../images/nav_brand.png') no-repeat center;
}

.qq_nav .nav ul {
    float: left;
    height: 100px;
    line-height: 100px;
    font-size: 21px;
}

.qq_nav .nav ul li {
    float: left;
    text-align: center;
    margin-left: 20px;
}

.qq_nav .nav ul li a {
    display: block;
    width: 80px;
    height: 100px;
}

.qq_nav .nav ul li:first-child {
    background-color: #12b7f5;
}

.qq_nav .nav ul li :hover {
    background-color: #12b7f5;
}

.qq_nav .other {
    float: right;
    height: 100px;
    width: 400px;
}

.qq_nav .other ul {
    width: 400px;
    padding-top: 10px;
}

.qq_nav .other ul li {
    float: right;
    margin-left: 20px;
    font-size: 16px;
    text-shadow: 0 0 2px #333;
}

.qq_nav .other p {
    float: right;
    margin-top: 20px;
}

.qq_nav .other .register {
    float: left;
    width: 90px;
    height: 40px;
    border-radius: 30px;
    background-color: #12b7f5;
    line-height: 40px;
    text-align: center;
    font-size: 16px;
    color: #fff;
    margin-top: 20px;
    margin-left: 20px;
    cursor: pointer;
}

/* 展示 */

.qq_display {
    background: url('../images/banner-bg.jpg') no-repeat center/cover;
    height: 880px;
    width: 100%;
    padding-top: 120px;
}

.qq_display img {
    display: block;
    margin: 0 auto;
    margin-top: 20px;
}

.qq_display img:last-child {
    width: 100%;
}

/* 语音 */

.qq_sound {
    padding-top: 100px;
}

.qq_sound .text1 {
    background: url('../images/sound-text.png') center;
    height: 300px;
    font-size: 0;
}

.qq_sound .bg {
    height: 800px;
    background: url('../images/sound-bg.jpg') center/cover;
}

.qq_sound .content {
    position: relative;
    height: 500px;
    width: 980px;
    margin: 0 auto;
}

.qq_sound .iphone {
    position: absolute;
    background: url('../images/sound-phone.png') no-repeat center top;
    height: 700px;
    width: 800px;
    left: 0;
    top: -200px;
}

.qq_sound .content h1 {
    float: right;
    font-size: 40px;
    padding-top: 100px;
    color: #333333;
    text-align: right
}

.qq_sound .content p {
    float: right;
    width: 500px;
    padding-left: 300px;
    padding-top: 50px;
    font-size: 16px;
    text-align: right;
    text-shadow: 0 0 1px #333333;
}

/* 文件 */

.qq_file .bg {
    background: url('../images/file-bg.jpg') no-repeat center top/cover;
    height: 800px;
}

.qq_file .content {
    width: 980px;
    height: 500px;
    position: relative;
    margin: 0 auto
}

.qq_file .content .mac {
    width: 600px;
    height: 400px;
    background: url('../images/file-mac.png') no-repeat center top;
    position: absolute;
    right: 0;
    top: 100px;
}

.qq_file .content h1 {
    width: 500px;
    font-size: 40px;
    text-align: left;
    float: left;
    padding-top: 100px;
}

.qq_file .content p {
    float: left;
    width: 500px;
    padding-top: 50px;
    font-size: 16px;
    text-align: left;
    text-shadow: 0 0 1px #333333;
}

/* 兴趣 */

.qq_interestring .bg {
    background: url('../images/interest-bg.jpg') no-repeat center top/cover;
    height: 800px;
}

.qq_interestring .content {
    width: 980px;
    height: 500px;
    position: relative;
    margin: 0 auto
}

.qq_interestring .content h1 {
    width: 500px;
    font-size: 40px;
    text-align: right;
    float: right;
    padding-top: 100px;
}

.qq_interestring .content p {
    float: right;
    width: 500px;
    padding-top: 50px;
    font-size: 16px;
    text-align: right;
    text-shadow: 0 0 1px #333333;
}

.qq_interestring .content .iphone {
    background: url('../images/interest-phone.png') no-repeat center top;
    width: 344px;
    height: 506px;
    position: absolute;
    top: 0;
    left: 0
}

/* footer */

.qq_footer {
    height: 300px;
    background-color: #2a2a2a;
    margin-top: 6px;
    color: #666;
    font-size: 12px;
    text-align: center;
    padding-top: 50px;
}

.qq_footer .link {
    margin-bottom: 100px;
}

.qq_footer .content a {
    color: #666;
    display: inline-block;
    width: 80px;
    margin: 10px 60px;
    padding-top: 60px;
    text-align: center;
    background: transparent url('../images/footer.png') no-repeat center top;
}

.qq_footer .content a:hover {
    color: #12b7f5;
}

.qq_footer .content .link .plmb {
    background-position: 0 0;
}

.qq_footer .content .link .plmb:hover {
    background-position: 0 -93px;
}

.qq_footer .content .link .plpc {
    background-position: -108px 0;
}

.qq_footer .content .link .plpc:hover {
    background-position: -108px -93px;
}

.qq_footer .content .link .plmac {
    background-position: -213px 0;
}

.qq_footer .content .link .plmac:hover {
    background-position: -213px -93px;
}

.qq_footer .content .link .plpad {
    background-position: -320px 0;
}

.qq_footer .content .link .plpad:hover {
    background-position: -320px -93px;
}

.qq_sound .bg,.qq_file .bg,.qq_interestring .bg {
    background-attachment: fixed;
}